66027860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22157}}^1$

素因数の和:22315

約数の個数: 24

約数和(自身を含む): 139595400

約数和(自身を除く): 73567540

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22157, 44314, 88628, 110785, 221570, 443140, 3301393, 6602786, 13205572, 16506965, 33013930, 66027860]

約数ペア:

[(1, 66027860), (2, 33013930), (4, 16506965), (5, 13205572), (10, 6602786), (20, 3301393), (149, 443140), (298, 221570), (596, 110785), (745, 88628), (1490, 44314), (2980, 22157)]